Headphone stand



FIG. 1 is a top, front, and left perspective view of a headphone stand showing our new design;

FIG. 2 is a top, rear, and right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a top, front, and left perspective view thereof, showing the headphone stand in use.

The broken lines in the figures represent portions of the headphone stand and headphone in FIG. 9 that form no part of the claimed design. 

CLAIM The ornamental design for a headphone stand, as shown and described. 